Joints and connections – Interfitted members – Lugged member – rotary engagement
Patent
1984-11-13
1986-10-28
Kundrat, Andrew V.
Joints and connections
Interfitted members
Lugged member, rotary engagement
403271, 182178, 29463, B25G 316, F16B 720
Patent
active
046195491
ABSTRACT:
A male/female connection of the twistlock type is provided for coupling vertical scaffolding members. Both the male and female components are forged, and the connection components may be reliably welded to respective tubular scaffolding members or standards. The safety of the scaffolding is improved compared to mechanically crimped connections, and the cost of scaffolding field repair and maintenance is substantially reduced.
REFERENCES:
patent: 2719061 (1955-09-01), Beatty
patent: 2761189 (1956-09-01), Robbins
patent: 4432662 (1984-02-01), Ronnkvist
Safway "Tube & Clamp Scaffolding" Catalog S-30.
Builders Equipment and Tool Manufacturing Company
Kundrat Andrew V.
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